1.Steel:P20,718 ,2738 ect. 2.single cavity auto grill mould injection moulding part Auto plastic injection bumper mould auto grill mould injection moulding partCavity&core: P20,2738,s55C,718,s136,2316,NAK80 Cavities: single/multiPlastic material: SKD61/SKD11/SKH9/SKH51/DC53/PD613/STAVAX/VIKING/etc.Mold Base: LKM Available Hot runner supplier; Yudo,Inco,Hasco, Hasky,Dme,Mold-master, ...